<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>404</title>

	<style>
		html, body {
			height: 100%;
			min-height: 450px;
			font-size: 32px;
			font-weight: 500;
			color: #5d7399;
			margin: 0;
			padding: 0;
			border: 0;
		}

		.content {
			height: 100%;
			position: relative;
			z-index: 1;
			background-color: #d2e1ec;
			background-image: -webkit-linear-gradient(top, #bbcfe1 0%, #e8f2f6 80%);
			background-image: linear-gradient(to bottom, #bbcfe1 0%, #e8f2f6 80%);
			overflow: hidden;
		}

		.snow {
			position: absolute;
			top: 0;
			left: 0;
			pointer-events: none;
			z-index: 20;
		}

		.main-text {
			padding: 20vh 20px 0 20px;
			text-align: center;
			line-height: 2em;
			font-size: 5vh;
		}

		.main-text h1 {
			font-size: 45px;
			line-height: 48px;
			margin: 0;
			padding: 0;
		}

		.main-text-a {
			height: 32px;
			margin-left: auto;
			margin-right: auto;
			text-align: center;
		}

		.main-text-a a {
			font-size: 16px;
			text-decoration: none;
			color: #0066CC;
		}

		.main-text-a a:hover {
			color: #000;
		}

		.home-link {
			font-size: 0.6em;
			font-weight: 400;
			color: inherit;
			text-decoration: none;
			opacity: 0.6;
			border-bottom: 1px dashed rgba(93, 115, 153, 0.5);
		}

		.home-link:hover {
			opacity: 1;
		}

		.ground {
			height: 160px;
			width: 100%;
			position: absolute;
			bottom: 0;
			left: 0;
			background: #f6f9fa;
			box-shadow: 0 0 10px 10px #f6f9fa;
		}

		.ground:before, .ground:after {
			content: '';
			display: block;
			width: 250px;
			height: 250px;
			position: absolute;
			top: -62.5px;
			z-index: -1;
			background: transparent;
			-webkit-transform: scaleX(0.2) rotate(45deg);
			transform: scaleX(0.2) rotate(45deg);
		}

		.ground:after {
			left: 50%;
			margin-left: -166.66667px;
			box-shadow: -340px 260px 15px #8193b2, -620px 580px 15px #8193b2, -900px 900px 15px #b0bccf, -1155px 1245px 15px #b4bed1, -1515px 1485px 15px #8193b2, -1755px 1845px 15px #8a9bb8, -2050px 2150px 15px #91a1bc, -2425px 2375px 15px #bac4d5, -2695px 2705px 15px #a1aec6, -3020px 2980px 15px #8193b2, -3315px 3285px 15px #94a3be, -3555px 3645px 15px #9aa9c2, -3910px 3890px 15px #b0bccf, -4180px 4220px 15px #bac4d5, -4535px 4465px 15px #a7b4c9, -4840px 4760px 15px #94a3be;
		}

		.ground:before {
			right: 50%;
			margin-right: -166.66667px;
			box-shadow: 325px -275px 15px #b4bed1, 620px -580px 15px #adb9cd, 925px -875px 15px #a1aec6, 1220px -1180px 15px #b7c1d3, 1545px -1455px 15px #7e90b0, 1795px -1805px 15px #b0bccf, 2080px -2120px 15px #b7c1d3, 2395px -2405px 15px #8e9eba, 2730px -2670px 15px #b7c1d3, 2995px -3005px 15px #9dabc4, 3285px -3315px 15px #a1aec6, 3620px -3580px 15px #8193b2, 3880px -3920px 15px #aab6cb, 4225px -4175px 15px #9dabc4, 4510px -4490px 15px #8e9eba, 4785px -4815px 15px #a7b4c9;
		}

		.mound {
			margin-top: -80px;
			font-weight: 800;
			font-size: 180px;
			text-align: center;
			color: #dd4040;
			pointer-events: none;
		}

		.mound:before {
			content: '';
			display: block;
			width: 600px;
			height: 200px;
			position: absolute;
			left: 50%;
			margin-left: -300px;
			top: 50px;
			z-index: 1;
			border-radius: 100%;
			background-color: #e8f2f6;
			background-image: -webkit-linear-gradient(top, #dee8f1, #f6f9fa 60px);
			background-image: linear-gradient(to bottom, #dee8f1, #f6f9fa 60px);
		}

		.mound:after {
			content: '';
			display: block;
			width: 28px;
			height: 6px;
			position: absolute;
			left: 50%;
			margin-left: -150px;
			top: 68px;
			z-index: 2;
			background: #dd4040;
			border-radius: 100%;
			-webkit-transform: rotate(-15deg);
			transform: rotate(-15deg);
			box-shadow: -56px 12px 0 1px #dd4040, -126px 6px 0 2px #dd4040, -196px 24px 0 3px #dd4040;
		}

		.mound_text {
			-webkit-transform: rotate(6deg);
			transform: rotate(6deg);
		}

		.mound_spade {
			display: block;
			width: 35px;
			height: 30px;
			position: absolute;
			right: 50%;
			top: 42%;
			margin-right: -250px;
			z-index: 0;
			-webkit-transform: rotate(35deg);
			transform: rotate(35deg);
			background: #dd4040;
		}

		.mound_spade:before, .mound_spade:after {
			content: '';
			display: block;
			position: absolute;
		}

		.mound_spade:before {
			width: 40%;
			height: 30px;
			bottom: 98%;
			left: 50%;
			margin-left: -20%;
			background: #dd4040;
		}

		.mound_spade:after {
			width: 100%;
			height: 30px;
			top: -55px;
			left: 0%;
			box-sizing: border-box;
			border: 10px solid #dd4040;
			border-radius: 4px 4px 20px 20px;
		}
	</style>

</head>

<body translate="no">
<div class="content">
	<canvas class="snow" id="snow" width="1349" height="400"></canvas>
	<div class="main-text">
		<h1>404 天呐！出错了 ~<br><br>您好像去了一个不存在的地方！ (灬ꈍ ꈍ灬)</h1>
		<div class="main-text-a"><a href="http://gulimall.com">< 返回 首页</a></div>
	</div>
	<div class="ground">
		<div class="mound">
			<div class="mound_text">404</div>
			<div class="mound_spade"></div>
		</div>
	</div>
</div>


<script>
	(function () {
		function ready(fn) {
			if (document.readyState != 'loading') {
				fn();
			} else {
				document.addEventListener('DOMContentLoaded', fn);
			}
		}

		function makeSnow(el) {
			var ctx = el.getContext('2d');
			var width = 0;
			var height = 0;
			var particles = [];

			var Particle = function () {
				this.x = this.y = this.dx = this.dy = 0;
				this.reset();
			}

			Particle.prototype.reset = function () {
				this.y = Math.random() * height;
				this.x = Math.random() * width;
				this.dx = (Math.random() * 1) - 0.5;
				this.dy = (Math.random() * 0.5) + 0.5;
			}

			function createParticles(count) {
				if (count != particles.length) {
					particles = [];
					for (var i = 0; i < count; i++) {
						particles.push(new Particle());
					}
				}
			}

			function onResize() {
				width = window.innerWidth;
				height = window.innerHeight;
				el.width = width;
				el.height = height;

				createParticles((width * height) / 10000);
			}

			function updateParticles() {
				ctx.clearRect(0, 0, width, height);
				ctx.fillStyle = '#f6f9fa';

				particles.forEach(function (particle) {
					particle.y += particle.dy;
					particle.x += particle.dx;

					if (particle.y > height) {
						particle.y = 0;
					}

					if (particle.x > width) {
						particle.reset();
						particle.y = 0;
					}

					ctx.beginPath();
					ctx.arc(particle.x, particle.y, 5, 0, Math.PI * 2, false);
					ctx.fill();
				});

				window.requestAnimationFrame(updateParticles);
			}

			onResize();
			updateParticles();
		}

		ready(function () {
			var canvas = document.getElementById('snow');
			makeSnow(canvas);
		});
	})();
</script>

</body>
</html>